Manually wound monopusher régulateur chronograph. Hours and home time at 12 o’clock; central minutes; seconds at 9 o’clock; day and night display at 2 o’clock; patented emergency power reserve at 6 o’clock.
Balance spring with Phillips curve.
Inside the watch beats the calibre MB M16.30, a movement completely developed and manufactured at the ateliers of the Institut and meticulously finshed by hand by the master watchmakers in Villeret.
